please explain how to do it in two ways, using the indicated rows and columns. tell me what each way is. thanks Evaluate the determinants of each of the following matri-ces in two ways, using the indicated rows and columns.Observe that you get the same answers both ways.3421(a)157(b)-63 -2-2 -6 -171 -12nd row and 1st column3rd row and 2nd column5 -123(c)36.(d)-2 -1-43146 -21st row and 3rd row2nd column and 3rd column

Answered: Image /qna-images/answer/0514c1d1-1f8a-4722-ba5f-3eaf63014b83.jpg

Answered: 3 4 2 1 (a) 1 5 7 (b) -6 3 -2 2 -6 -1 7…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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3 4 2 1 (a) 1 5 7 (b) -6 3 -2 2 -6 -1 7 1 -1, | 2nd row and 1st column 3rd row and 2nd column 5 -1 6 3 (c) 3 (d) -2 -1 5 -4 3 1 4 6 -2